Both sides hunt support in background check fight

FILE - In this April 10, 2013 file photo, Sen. Joe Manchin, D-W.Va., right, accompanied by Sen. Patrick Toomey, R-Pa., announce that they have reached a bipartisan deal on expanding background checks to more gun buyers,, on Capitol Hill in Washington. The number of Republican senators who might back expanded background checks is now dwindling, threatening a bipartisan effort to subject more gun buyers to the checks. A vote on the compromise, the heart of Congress' gun control effort, is expected
— AP

FILE - In this April 10, 2013 file photo, Sen. Joe Manchin, D-W.Va., right, accompanied by Sen. Patrick Toomey, R-Pa., announce that they have reached a bipartisan deal on expanding background checks to more gun buyers,, on Capitol Hill in Washington. The number of Republican senators who might back expanded background checks is now dwindling, threatening a bipartisan effort to subject more gun buyers to the checks. A vote on the compromise, the heart of Congress' gun control effort, is expected
/ AP

WASHINGTON 
Republican opposition is growing to a bipartisan Senate plan for expanding background checks for firearms buyers, enough to put the proposal's fate in jeopardy. But the measure may change as both sides compete for support in one of the pivotal fights in the battle over curbing guns.

The Senate continued debating a wide-ranging gun control bill Tuesday, with the focus on a background check compromise struck last week between Sens. Patrick Toomey, R-Pa., and Joe Manchin, D-W.Va. Manchin said the vote on that amendment was likely to be delayed from midweek to late in the week, a move that would give both sides more time to win over supporters.

President Barack Obama, in an interview with NBC's "Today" show, urged lawmakers to pay attention to public support for expanding background checks and remember the slayings of 26 schoolchildren and staff at Sandy Hook Elementary School in Newtown, Conn.

"The notion that Congress would defy the overwhelming instinct of the American people after what we saw happen in Newtown, I think is unimaginable," Obama said in the interview, aired Tuesday. He said it's a given that the vote is politically difficult for some lawmakers "because the gun lobby is paying attention and has shown no willingness to budge."

"I think we've got a good chance of seeing it pass if members of Congress are listening to the American people," Obama said.

Underscoring the bargaining underway, the two sponsors seemed willing to consider a change to their deal that would exempt gun buyers from background checks if they live hundreds of miles from licensed firearms dealers, said Senate aides and a lobbyist.

The change might help win support from senators from Alaska and perhaps North Dakota, said the aides and lobbyist, who spoke on condition of anonymity because the discussions were private.

An appearance by gravely wounded former Rep. Gabrielle Giffords, D-Ariz., and husband Mark Kelly, a retired astronaut, planned for Tuesday with Manchin and Toomey was canceled because of Monday's Boston bombing, said a Senate aide speaking on condition of anonymity to describe an event not publicly announced.

Many consider the Manchin-Toomey compromise the best hope for winning Senate approval to widen the background check system, designed to screen out the severely mentally ill, criminals and others from getting firearms. Background checks are widely considered the heart of the gun control drive.

Background checks are required only for sales handled by licensed gun dealers. The Manchin-Toomey measure would extend that to sales at advertised venues like gun shows and online, while exempting other transactions like those between relatives and friends.

The two senators' deal doesn't go as far as Obama wanted, but he has said it would represent progress.

From a group of 16 GOP senators gun control advocates have considered possible allies, at least nine have now said they oppose the background check compromise and one said he is leaning against it.

Combined with the 31 senators who voted against debating the overall gun bill last week, that could bring potential opponents of expanding background checks to 41 - just enough votes to block the Senate from considering the compromise. But in the heated political climate and heavy lobbying certain in the run-up to the vote, minds on both sides could change.